This script will help you to log in into your wordpress admin panel. You need to create a file cookie.txt and make it writable. You can add more functionality and do wonders..Happy coding

<?php
	$url="http://yoursite.com/wordpress/";   //Full path to your wordpress site

       $user='Your username';
	$password='Your Password';
	$cookie="cookie.txt";
	/**********************No Need To Edit Below ***************************************************/

	$postdata = "log=".$user."&pwd=". $password ."&wp-submit=Log%20In&redirect_to=". $url ."wp-admin/&testcookie=1";
	$ch = curl_init();
	curl_setopt ($ch, CURLOPT_URL, $url . "wp-login.php");
	curl_setopt ($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
	curl_setopt ($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.6) Gecko/20070725 Firefox/2.0.0.6");
	curl_setopt ($ch, CURLOPT_TIMEOUT, 60);
	curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1);
	curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
	curl_setopt ($ch, CURLOPT_COOKIEJAR, $cookie);
	curl_setopt ($ch, CURLOPT_REFERER, $url . "wp-admin/");
	curl_setopt ($ch, CURLOPT_POSTFIELDS, $postdata);
	curl_setopt ($ch, CURLOPT_POST, 1);
	$result = curl_exec ($ch);

	echo $result;
       echo "</br> <a href='http://samplephpcodes.com'>Sample PHP Codes</a>";
?>